Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SJ

Stephen Janiszewski — 1 Patent

TCTeletype Co.: 1 patents #20 of 58Top 35%
Chicago, IL: #7,600 of 13,327 inventorsTop 60%
Illinois: #49,230 of 84,256 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Stephen Janiszewski has been granted 1 US patent while listed as an inventor at Teletype Co.. All of these patents were granted in 1980. Stephen Janiszewski ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Stephen Janiszewski in Chicago, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4204088 Means for establishing various communication conditions in a cryptographic system 1980-05-20 $25,904,000